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// Copyright 2017 The Gitea Authors. All rights reserved.
// Use of this source code is governed by a MIT-style
// license that can be found in the LICENSE file.
package models
import "fmt"
// Watch is connection request for receiving repository notification.
type Watch struct {
ID int64 `xorm:"pk autoincr"`
UserID int64 `xorm:"UNIQUE(watch)"`
RepoID int64 `xorm:"UNIQUE(watch)"`
}
func isWatching(e Engine, userID, repoID int64) bool {
has, _ := e.Get(&Watch{UserID: userID, RepoID: repoID})
return has
}
// IsWatching checks if user has watched given repository.
func IsWatching(userID, repoID int64) bool {
return isWatching(x, userID, repoID)
}
func watchRepo(e Engine, userID, repoID int64, watch bool) (err error) {
if watch {
if isWatching(e, userID, repoID) {
return nil
}
if _, err = e.Insert(&Watch{RepoID: repoID, UserID: userID}); err != nil {
return err
}
_, err = e.Exec("UPDATE `repository` SET num_watches = num_watches + 1 WHERE id = ?", repoID)
} else {
if !isWatching(e, userID, repoID) {
return nil
}
if _, err = e.Delete(&Watch{0, userID, repoID}); err != nil {
return err
}
_, err = e.Exec("UPDATE `repository` SET num_watches = num_watches - 1 WHERE id = ?", repoID)
}
return err
}
// WatchRepo watch or unwatch repository.
func WatchRepo(userID, repoID int64, watch bool) (err error) {
return watchRepo(x, userID, repoID, watch)
}
func getWatchers(e Engine, repoID int64) ([]*Watch, error) {
watches := make([]*Watch, 0, 10)
return watches, e.Where("`watch`.repo_id=?", repoID).
And("`user`.is_active=?", true).
And("`user`.prohibit_login=?", false).
Join("INNER", "`user`", "`user`.id = `watch`.user_id").
Find(&watches)
}
// GetWatchers returns all watchers of given repository.
func GetWatchers(repoID int64) ([]*Watch, error) {
return getWatchers(x, repoID)
}
// GetWatchers returns range of users watching given repository.
func (repo *Repository) GetWatchers(page int) ([]*User, error) {
users := make([]*User, 0, ItemsPerPage)
sess := x.Where("watch.repo_id=?", repo.ID).
Join("LEFT", "watch", "`user`.id=`watch`.user_id")
if page > 0 {
sess = sess.Limit(ItemsPerPage, (page-1)*ItemsPerPage)
}
return users, sess.Find(&users)
}
func notifyWatchers(e Engine, act *Action) error {
// Add feeds for user self and all watchers.
watches, err := getWatchers(e, act.RepoID)
if err != nil {
return fmt.Errorf("get watchers: %v", err)
}
// Add feed for actioner.
act.UserID = act.ActUserID
if _, err = e.InsertOne(act); err != nil {
return fmt.Errorf("insert new actioner: %v", err)
}
act.loadRepo()
// check repo owner exist.
if err := act.Repo.getOwner(e); err != nil {
return fmt.Errorf("can't get repo owner: %v", err)
}
// Add feed for organization
if act.Repo.Owner.IsOrganization() && act.ActUserID != act.Repo.Owner.ID {
act.ID = 0
act.UserID = act.Repo.Owner.ID
if _, err = e.InsertOne(act); err != nil {
return fmt.Errorf("insert new actioner: %v", err)
}
}
for i := range watches {
if act.ActUserID == watches[i].UserID {
continue
}
act.ID = 0
act.UserID = watches[i].UserID
act.Repo.Units = nil
switch act.OpType {
case ActionCommitRepo, ActionPushTag, ActionDeleteTag, ActionDeleteBranch:
if !act.Repo.CheckUnitUser(act.UserID, false, UnitTypeCode) {
continue
}
case ActionCreateIssue, ActionCommentIssue, ActionCloseIssue, ActionReopenIssue:
if !act.Repo.CheckUnitUser(act.UserID, false, UnitTypeIssues) {
continue
}
case ActionCreatePullRequest, ActionMergePullRequest, ActionClosePullRequest, ActionReopenPullRequest:
if !act.Repo.CheckUnitUser(act.UserID, false, UnitTypePullRequests) {
continue
}
}
if _, err = e.InsertOne(act); err != nil {
return fmt.Errorf("insert new action: %v", err)
}
}
return nil
}
// NotifyWatchers creates batch of actions for every watcher.
func NotifyWatchers(act *Action) error {
return notifyWatchers(x, act)
}
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